They can have sex with humans but most of them choose not to because it is risky. But if your animal has dark eyes for instance and so does their human form, if they’re having sex at night, their partner probably wouldn’t notice. The other times the animal sides bleed through is when they get very emotional or excited and often when they are drunk or high, if they aren’t cautious. The level of control they have over their restaint and stuff varies by individual. And one of the humans already knows there is something weird at work, Mary Anne has called in two journalists to the town so they’ll find out! Of course an individual animal could always reveal themselves to a person if they wanted to, they just generally choose not to for obvious reasons.
Don’t apologize we love getting asks/questions :D